Patents by Inventor Zeke Wei

Zeke Wei has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 9456480
    Abstract: A dimmer circuit may include: a rectification module, a control module and an output module, wherein the control module receives an input signal rectified through the rectification module and controls the output module to supply a load with an output signal in accordance with the input signal, and a compensation module which collects sampled signals characterizing dimming state of the dimmer circuit between the control module and the output module, and supplies the control module with a compensation signal in accordance with the sampled signals, the control module changing the value of the output signal according to the input signal and the compensation signal.
    Type: Grant
    Filed: March 12, 2014
    Date of Patent: September 27, 2016
    Assignee: OSRAM GmbH
    Inventors: Yaping Liu, Zeke Wei, Dan Lin, Yan Li
  • Patent number: 9456475
    Abstract: An illumination control system includes a rectifying device, a damping device for inhibiting flickering, and a load circuit, wherein the illumination control system further comprises a recognizing control circuit connected between the rectifying device and the damping device, and wherein the recognizing control circuit includes a recognizing signal output module and a switch module, the recognizing signal output module generates a first control signal indicating that a dimmer is not connected upstream the rectifying device or the dimmer is connected upstream the rectifying device and reaches a predetermined dimming level and a second control signal indicating that the dimmer is connected upstream the rectifying device and does not reach the predetermined dimming level and at least one damping resistor of the damping device is short connected or is connected by means of the switch module according to the first control signal or the second control signal.
    Type: Grant
    Filed: August 23, 2012
    Date of Patent: September 27, 2016
    Assignee: OSRAM GMBH
    Inventors: ZhiJian Cao, Xuewei Dai, Zeke Wei, XiHe Zhuang
  • Publication number: 20140285115
    Abstract: A multi-channel driver for driving an illuminating unit includes: a plurality of output channels for coupling with the illuminating unit; a power supply unit for supplying a driving current; a current distributing unit, which includes at least one current distributing circuit, wherein the at least one current distributing circuit includes two output channels respectively, and distributes the driving current provided by the power supply unit to the two output channels; a current detecting unit for detecting the output current output by the output channels, wherein the unit is configured with at least one current detecting circuit for the two output channels, and a control unit, wherein the control unit regulates the driving current according to the output current detected by the at least one current detecting circuit of the current detecting unit, to maintain constant output current in the output channels.
    Type: Application
    Filed: July 25, 2012
    Publication date: September 25, 2014
    Applicant: OSRAM GMBH
    Inventors: Michele Menegazzi, Zeke Wei, Yuping Zhang, XiHe Zhuang
  • Publication number: 20140265904
    Abstract: A dimmer circuit may include: a rectification module, a control module and an output module, wherein the control module receives an input signal rectified through the rectification module and controls the output module to supply a load with an output signal in accordance with the input signal, and a compensation module which collects sampled signals characterizing dimming state of the dimmer circuit between the control module and the output module, and supplies the control module with a compensation signal in accordance with the sampled signals, the control module changing the value of the output signal according to the input signal and the compensation signal.
    Type: Application
    Filed: March 12, 2014
    Publication date: September 18, 2014
    Inventors: Yaping Liu, Zeke Wei, Dan Lin, Yan Li
  • Publication number: 20140252972
    Abstract: An illumination control system includes a rectifying device, a damping device for inhibiting flickering, and a load circuit, wherein the illumination control system further comprises a recognizing control circuit connected between the rectifying device and the damping device, and wherein the recognizing control circuit includes a recognizing signal output module and a switch module, the recognizing signal output module generates a first control signal indicating that a dimmer is not connected upstream the rectifying device or the dimmer is connected upstream the rectifying device and reaches a predetermined dimming level and a second control signal indicating that the dimmer is connected upstream the rectifying device and does not reach the predetermined dimming level and at least one damping resistor of the damping device is short connected or is connected by means of the switch module according to the first control signal or the second control signal.
    Type: Application
    Filed: August 23, 2012
    Publication date: September 11, 2014
    Applicant: OSRAM GMBH
    Inventors: ZhiJian Cao, Xuewei Dai, Zeke Wei, XiHe Zhuang